I'm aware that the gallery is currently not working correctly. Long story short, my video card died at work today and somehow fried my LCD in the process. All in the middle of a site upgrade. Of course! Just my luck.
Anyway, I have to restart the gallery upgrade which takes hours and then re-set things up. Should be back online tomorrow.
UPDATE: The gallery is back online, but the slideshow feature is still broken. (Which is the whole reason I did the upgrade in the first place.) Ug...